tailback發音名詞1回堵車陣、塞車長龍英式There was a five-mile tailback on the highway after the crash.車禍之後,高速公路上出現五英里長的回堵車陣。2跑衛美式足球The tailback broke through the line and scored easily.那名跑衛突破防線,輕鬆得分。